526 



Introduction to the Study of Science 



Red 

 Corpusc/e 



Transmitted! 

 by bite of / 

 mosqu/to. I 



De ve/opmen t 

 /n human b/ood. 



Taken in by mbsquito 

 when it bites. 



a 



J 



\) fc) Sporozoites /n 

 A N mosqu/to's body. 



? , V 



Jn sab' vary cj/and 



of mosquito ^X Q\ 



Sexual forms (o)A\A 

 Vj>s 1 1 \ 

 in mosquito's ( 



stomach. 



FIG. 160. Life history of the malarial parasite in man and mosquito, 

 jf, 2, 3, parasites on the outer wall of mosquito's stomach. 



